E2E Skill Scaffolding

Generate a project-local e2e-test skill in the BDD + layer-gate three-tier shape. The generated skill documents tests as natural-language journeys (intent, not click scripts), maps each to a layer gate, and ships a separate tool-selection guide so the browser/device automation tool is resolved per environment or pinned by preference. Idempotent — re-run to upgrade a project or refresh after the standard evolves.

Where this fits:

/aep-onboard → /aep-scaffold ──delegates──► /aep-e2e-skill-scaffolding
                                                   │ emits skills/e2e-test/ (canonical)
                   [ /aep-design → /aep-launch → /aep-build → /aep-wrap ]
                                  ▲ build Phase 6-8 run journeys + record evidence; wrap flips the gate

Input: the project's stack (package.json / bts.jsonc), optional product-context.yaml. Output: real skills/e2e-test/ + .claude/skills/e2e-test + .agents/skills/e2e-test symlinks.